Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
hong hong » hong kong, hong jong, hong ng
hong than » hong tan, long thanh, hong hai
than kong » tan kong, thang long, than one
yan wang » yang yang, qian wang, yan liang
yang jin » yang jie, yang jun, ying jin
yang xi » yang di, yang yi, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) OR (yuan wang)) ((yang xi) or (yang jin)) hong hong than kong (sar or sara) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yuan wang)) ((yang xi) OR (yang jin)) hong hong than kong (sar OR sara) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (yuan wang)) ((yang xi) or (yang jin)) hong hong than kong (sar or sara) ;*".